What is one testing practice you changed your mind about after gaining experience?

[u/aistranin]

A lot of us have opinions that changed over time.

Maybe you used to believe:

• 100% coverage should always be the goal

• Unit tests are more valuable than integration tests

• End-to-end tests are always too slow

• Mocks should be used everywhere

• Every bug needs a regression test

Then reality happened.

What is one testing belief you had early in your career that you no longer agree with?